From 8b104313fa7e1bec8488f2e63c06023ce6de1909 Mon Sep 17 00:00:00 2001
From: David Capello <david@igarastudio.com>
Date: Thu, 22 Apr 2021 12:59:04 -0300
Subject: [PATCH] Test magic wand in a fully opaque transparent layer

---
 scripts/selection_tools.lua | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 scripts/selection_tools.lua

diff --git a/scripts/selection_tools.lua b/scripts/selection_tools.lua
new file mode 100644
index 000000000..24fa8791b
--- /dev/null
+++ b/scripts/selection_tools.lua
@@ -0,0 +1,28 @@
+-- Copyright (C) 2021  Igara Studio S.A.
+--
+-- This file is released under the terms of the MIT license.
+-- Read LICENSE.txt for more information.
+
+dofile('./test_utils.lua')
+
+----------------------------------------------------------------------
+-- Test magic wand in transparent layer
+-- Note: A regression in the beta was found in this case.
+
+do
+  local s = Sprite(4, 4, ColorMode.INDEXED)
+  app.command.LayerFromBackground()
+
+  local i = s.cels[1].image
+  i:clear(0)
+  i:putPixel(0, 0, 1)
+  expect_eq(4, i.width)
+  expect_eq(4, i.height)
+
+  app.useTool{ tool='magic_wand', points={Point(0, 0)} }
+  expect_eq(Rectangle(0, 0, 1, 1), s.selection.bounds)
+
+  app.useTool{ tool='magic_wand', points={Point(1, 0)} }
+  expect_eq(Rectangle(0, 0, 4, 4), s.selection.bounds)
+  assert(not s.selection:contains(0, 0))
+end